Home / 12,624,735.87-17,422,128-6,823,517.90

Finding the Fourth Proportional to 12,624,735.87, 17,422,128 and 6,823,517.90

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Solution

The fourth proportional to 12,624,735.87, 17,422,128 and 6,823,517.90 is: 9,416,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,735.87 : 17,422,128 = 6,823,517.90 : x
  2. Step 2: Convert to fraction form
    12,624,735.87/17,422,128 = 6,823,517.90/x
  3. Step 3: Cross multiply
    12,624,735.87x = 17,422,128 × 6,823,517.90
  4. Step 4: Simplify right side
    12,624,735.87x = 118,880,202,176,980.55
  5. Step 5: Solve for x
    x = 118,880,202,176,980.55/12,624,735.87
  6. Step 6: Final answer
    x = 9,416,450.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.